Advant Controller 110 and Advant Controller 160. CI610 reports process error if no I/O configured on extension rack If there is no I/O configured on extension rack and a CI610 error entry has been made into error buffer, • FCB | Target | Diagnostics | Target | Report Errors Delete - reported errors does not lead to a deletion of the CI610 entry in the error buffer, it is only deleted by Diagnose Module. • FCB | Target | Diagnostics | Target | Diagnose Module - reports process error, due to supervision of the not existing power supply USAE / USBE of the extension rack.